タスク再開

POST http://localhost:8080/api/v1/tasks/{id}/resume

X-API-Key: sk_test_123456

{
  "reason": "User approved continuation"
}

{
  "success": true,
  "message": "Resume signal sent",
  "task_id": "task-123"
}

{ "error": "Task not found" }

{ "error": "cannot resume completed task" }

{ "error": "cannot resume failed task" }

{ "error": "cannot resume cancelled task" }

{ "error": "cannot resume timed out task" }

{ "error": "task is not paused" }

{ "error": "Unauthorized" }

{ "error": "Forbidden" }